Home / 150,731.48-208,025.96-86,206.68

Finding the Fourth Proportional to 150,731.48, 208,025.96 and 86,206.68

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Solution

The fourth proportional to 150,731.48, 208,025.96 and 86,206.68 is: 118,974.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,731.48 : 208,025.96 = 86,206.68 : x
  2. Step 2: Convert to fraction form
    150,731.48/208,025.96 = 86,206.68/x
  3. Step 3: Cross multiply
    150,731.48x = 208,025.96 × 86,206.68
  4. Step 4: Simplify right side
    150,731.48x = 17,933,227,365.41
  5. Step 5: Solve for x
    x = 17,933,227,365.41/150,731.48
  6. Step 6: Final answer
    x = 118,974.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.